单词：
单词： 相关文章
A Celestial Ambience 劫后余生：巴黎圣母院 As a testament to the correlation between glorious spaces and heavenly thoughts, the Notre Dame de Paris has stood for 750 years as the apex of European religious architecture. Seeking to liberate t
双语有声阅读
Astronomers Are On A Celestial Treasure Hunt. The Prize? Planet Nine SCOTT SIMON, HOST: Astronomers now think they've discovered a new planet in our solar system. All they have to do is find it. NPR science correspondent Joe Palca has been exploring
2016年NPR美国国家公共电台8月
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃